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asked ago in Mathematics by (53.5k points)
edited ago by

Consider the quadratic equation ax2 + (2 - a)x - 2 = 0 where a  R.

If exactly one root is negative, then the range of a2 + 2a + 5 is

(A)  [4, )

(B)  [-2, )

(C)  (-, 4]

(D)  (5, )

1 Answer

+1 vote
answered ago by (20.7k points)
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Best answer

Correct option  (D) (5, )

Explanation:

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